Linux for Designers

Since 2.30 (Ubuntu 10.04) a color management tool ship with the Gnome desktop. Just install the package "gnome-color-management" and you will find it at "System > Preferences > Color Profiles" (or start gcm-prefs at the shell).
That sounds great but it didn't help you a lot when you do not have a color spider and your hardware is just customer level. A third part that is missing is the fitting color profile.
May you can download it on the manufactor page for some pro displays. But what to do if there is no manufactor support for color profiles? Then went over to the ICC Profiles and Monitor Settings Database and download it there.
This helps me a lot to get the colors of my new Dell L702x correctly display without the touch of too much blue.
BTW: There is a database of profiles for photographers too: http://www.drycreekphoto.com/icc/